Transcript Physics Jeopardy 1st Semester Review

Physics Jeopardy
2nd Trimester Review
Fluids /
Heat
Thermo
Sound /
Waves
Light
Reflection /
Refraction
Optics
Electricity
200
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400
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1000 1000 1000 1000 1000 1000 1000
Fluids / Heat
200
A fluid is any material that has the ability
to do what?
• flow
Fluids / Heat
400
The fundamental principle of physics that
allows for flight is?
• Bernoulli’s Principle
Fluids / Heat
600
A person standing near the edge of a
railroad track when a high speed train
passes. Describe what will happen to
the person as the train passes by?
• pulled in towards the train
Fluids / Heat
800
A water tunnel has a circular cross section
where the diameter reduces from 3.6 m
to 1.2 m. If the velocity of water flow
entering the transition is
3.0 m/s, what is the velocity of the water
leaving the transition?
• 27 m/s
Fluids / Heat
1000
The initial volume, pressure, and
temperature of an ideal gas in a tank
are 15 L, 2.0 atm, and 310 K. If the
pressure increases to 3.5 atm and
temperature to 430 K, what is the new
volume?
• 12 L
Thermo
200
What is the 1st Law of Thermodynamics in
formula form?
• U = Q - W
Thermo
400
Heat flow occurs between two bodies in
thermal contact when they differ in?
• temperature
Thermo
600
Which of thermodynamic process takes
place when the contents are held at
constant pressure?
• isobaric
Thermo
800
The internal energy of a system is initially
63 J. A total of 71 J of energy is added
to the system as heat while the system
does 59 J of work. What is the system’s
final internal energy?
• 75 J
Thermo
1000
A heat engine performs 2000.0 J of work
while adding 5000.0 J of heat to the
cold-temperature reservoir. What is the
efficiency of the engine?
• .286
Sound / Waves
200
Whose law dictates the characteristics of
simple harmonic motion?
• Hooke’s Law
Sound / Waves
400
What characteristic of a wave is found by
identifying the time it takes to complete
one cycle of motion?
• period
Sound / Waves
600
An amusement park ride has a frequency
of 0.05 Hz. What is the ride’s period?
• 20 s
Sound / Waves
800
What scale measures the intensity of a
sound wave in relation to the intensity
at the threshold of hearing?
• decibel level
Sound / Waves
1000
How many nodes are there in a string
vibrating in the 5th harmonic?
•6
Light
200
What is the speed of light?
• 3.0 x 108 m/s
Light
400
What is the wavelength of microwaves of
3.0 x 109 Hz frequency?
• .10 m
Light
600
Light Amplification by Stimulated
Emission of Radiation is a phenomenon
of light we know as?
• a LASER
Light
800
Constructive interference occurs when the
path difference of light is equal to?
• any integer multiple of wavelength
Light
1000
What are the primary additive colors of
light?
• red, blue, green
Reflection / Refraction
200
If a light ray strikes a flat mirror at an
angle of 14o from the normal, the
reflected ray will be
• 14o from the normal
Reflection / Refraction
400
The speeding up or slowing down of light
as it travels from one medium to
another is know as?
• refraction
Reflection / Refraction
600
A beam of light in air is incident at an
angle of 35o to the surface of a
rectangular block of clear plastic
(n = 1.49). What is the angle of
refraction?
• 23o
Reflection / Refraction
800
Internal reflection occurs when the
incident light ray is (less than/greater
than) the critical angle and is traveling
from a medium with an index of
refraction (higher/lower) than the index
of refraction of the outer medium.
• greater than
• higher
Reflection / Refraction
1000
If atmospheric refraction did not occur,
the apparent time of sunrise and sunset
would be changed how?
• sunrise later ; sunset earlier
Optics
200
If you stand 3.0 m in front of a flat mirror,
how far away would your image be
formed?
• 3.0 m
Optics
400
The image formed by a concave mirror is
upright and larger. Is the image real or
virtual?
• virtual
Optics
600
The focal length of a spherical mirror is –
10.0 cm. What kind of mirror is it and
how long is its radius of curvature?
• convex mirror
• -20.0 cm
Optics
800
A concave mirror with a focal length of
10.0 cm creates a real image 30.0 cm
away. How far is the mirror from the
object?
• 15.0 cm
Optics
1000
An object is placed 40.0 cm from a
converging lens of focal length 30.0 cm.
What is the distance from the image to
the thin lens?
• 120 cm
Electricity
200
Newton’s Universal Law of Gravitation is
related to mass like whose law is
related to electric charge?
• Coulomb’s Law
Electricity
400
At what point is the electric field of an
isolated, uniformly charged, hollow
metallic sphere equal to zero?
• anywhere inside
Electricity
600
V = IR is known as?
• Ohm’s Law
Electricity
800
How much potential energy is stored in a
0.50 F capacitor when connected to a
12 V battery?
• 3.6 x 10-5 J
Electricity
1000
What is the
equivalent
resistance of the
circuit at right?
• 10 
Final Jeopardy
Physics
Final Jeopardy
Define Physics.
• The study of the physical world.